FI19992651A - Measurement procedure and systems for humidity or gas sensors - Google Patents

Measurement procedure and systems for humidity or gas sensors

Info

Publication number
FI19992651A
FI19992651A FI992651A FI19992651A FI19992651A FI 19992651 A FI19992651 A FI 19992651A FI 992651 A FI992651 A FI 992651A FI 19992651 A FI19992651 A FI 19992651A FI 19992651 A FI19992651 A FI 19992651A
Authority
FI
Finland
Prior art keywords
humidity
systems
gas sensors
measurement procedure
procedure
Prior art date
Application number
FI992651A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI107840B (en
Inventor
Lars Stormbom
Original Assignee
Vaisala Oyj
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vaisala Oyj filed Critical Vaisala Oyj
Priority to FI992651A priority Critical patent/FI107840B/en
Priority to EP00660221A priority patent/EP1109012A3/en
Priority to US09/731,735 priority patent/US6564633B2/en
Priority to JP2000375900A priority patent/JP2001201478A/en
Publication of FI19992651A publication Critical patent/FI19992651A/en
Application granted granted Critical
Publication of FI107840B publication Critical patent/FI107840B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
    • G01N27/123—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature
    • G01N27/124—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature varying the temperature, e.g. in a cyclic manner
FI992651A 1999-12-09 1999-12-09 Measurement method and system for humidity or gas sensor FI107840B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI992651A FI107840B (en) 1999-12-09 1999-12-09 Measurement method and system for humidity or gas sensor
EP00660221A EP1109012A3 (en) 1999-12-09 2000-12-05 Measurement method and system for a humidity of gas concentration sensor
US09/731,735 US6564633B2 (en) 1999-12-09 2000-12-08 Measurement method and system for a humidity or gas concentration sensor
JP2000375900A JP2001201478A (en) 1999-12-09 2000-12-11 Measurement method and measurement system for humidity sensor or gas concentration sensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI992651A FI107840B (en) 1999-12-09 1999-12-09 Measurement method and system for humidity or gas sensor
FI992651 1999-12-09

Publications (2)

Publication Number Publication Date
FI19992651A true FI19992651A (en) 2001-06-10
FI107840B FI107840B (en) 2001-10-15

Family

ID=8555728

Family Applications (1)

Application Number Title Priority Date Filing Date
FI992651A FI107840B (en) 1999-12-09 1999-12-09 Measurement method and system for humidity or gas sensor

Country Status (4)

Country Link
US (1) US6564633B2 (en)
EP (1) EP1109012A3 (en)
JP (1) JP2001201478A (en)
FI (1) FI107840B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4352315B2 (en) * 2002-10-31 2009-10-28 日本光電工業株式会社 Signal processing method / apparatus and pulse photometer using the same
US6865940B2 (en) * 2003-06-25 2005-03-15 General Electric Company Aluminum oxide moisture sensor and related method
WO2006057550A1 (en) * 2004-11-25 2006-06-01 Texas Instruments Holland B.V. Sensing module, method for detecting pollutants in air and vehicle ventilation system
US7152458B2 (en) * 2004-11-30 2006-12-26 Honeywell International Inc. Nano-crystalline and/or metastable metal hydrides as hydrogen source for sensor calibration and self-testing
JP2010008323A (en) * 2008-06-30 2010-01-14 Yamatake Corp Humidity measuring device
EP2763032B1 (en) * 2013-01-31 2016-12-28 Sensirion AG Portable electronic device with integrated chemical sensor and method of operating thereof
EP2763468B1 (en) * 2013-01-31 2017-08-30 Sensirion AG Portable sensor device with a gas sensor and method for operating the same
US20140238100A1 (en) * 2013-02-27 2014-08-28 Qualcomm Incorporated Method for calibration of sensors embedded or wirelessly connected to a mobile device
US10197519B2 (en) 2013-03-15 2019-02-05 H2Scan Corporation Gas sensing systems and methods
DE102014210122A1 (en) * 2014-05-27 2015-12-03 Robert Bosch Gmbh An apparatus for determining a value of a property of a fluid to be measured, a method for operating a device for determining a value of a property of a fluid to be measured, and a method for producing a device for determining a value of a property of a fluid to be measured
US9759699B1 (en) * 2015-05-22 2017-09-12 Council On Postsecondary Education Systems and methods for the detection of compounds
US9696272B2 (en) * 2015-08-07 2017-07-04 Silicon Laboratories Inc. Systems and methods for humidity measurement using dielectric material-based relative humidity sensors
AU2017267967B2 (en) * 2016-05-20 2022-04-14 Source Global, PBC Systems and methods for water extraction control
US10816498B2 (en) 2017-05-30 2020-10-27 Raymond Hoheisel Humidity sensor and related methods
US11703471B1 (en) 2018-12-20 2023-07-18 University Of Rhode Island Board Of Trustees Trace detection of chemical compounds via catalytic decomposition and redox reactions
WO2022150229A2 (en) 2020-11-06 2022-07-14 Pgr Holdings, Llc Decoupled thermodynamic sensing system
EP4012393A1 (en) * 2020-12-09 2022-06-15 Vaisala Oyj Fast humidity sensor and a method for calibrating the fast humidity sensor
US11340183B1 (en) 2021-06-23 2022-05-24 Pgr Holdings, Llc Ultrasensitive, ultrathin vapor sensors and arrays

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3825756A (en) * 1973-05-03 1974-07-23 Barnes Eng Co Calibration device for a gas analyzer
CH668648A5 (en) * 1984-04-04 1989-01-13 Cerberus Ag METHOD AND DEVICE FOR DETECTING REDUCING GASES IN A GAS MIXTURE.
US4759210A (en) * 1986-06-06 1988-07-26 Microsensor Systems, Inc. Apparatus for gas-monitoring and method of conducting same
FI82554C (en) * 1988-11-02 1991-03-11 Vaisala Oy Calibration procedure for measuring the relative content of gas or steam
US5307668A (en) * 1992-10-05 1994-05-03 Badger Meter, Inc. Gas density meter and method
FI96640C (en) * 1993-08-23 1996-07-25 Vaisala Oy Method for measuring relative humidity, especially in radiosondes
US5816705A (en) * 1996-07-12 1998-10-06 Badger Meter, Inc. Measuring heating value of a gas using flameless combustion
US5792938A (en) * 1996-12-13 1998-08-11 Panametrics, Inc. Humidity sensor with differential thermal detection and method of sensing
DE19811069C2 (en) * 1998-03-13 2000-03-09 Siemens Ag Measuring circuit for determining the concentration of one or more gases in a gas mixture

Also Published As

Publication number Publication date
JP2001201478A (en) 2001-07-27
US20010003249A1 (en) 2001-06-14
EP1109012A3 (en) 2002-02-20
EP1109012A2 (en) 2001-06-20
US6564633B2 (en) 2003-05-20
FI107840B (en) 2001-10-15

Similar Documents

Publication Publication Date Title
FI19992651A (en) Measurement procedure and systems for humidity or gas sensors
FI102453B1 (en) Improved measuring sensor and gas flow measurement system
FI102918B1 (en) Measuring sensor and system for measuring the gas flow
DE69807058T2 (en) NETWORKED AIR MEASURING SYSTEM
FI20010729A0 (en) Procedure and measurement system for determining and controlling exhaust emissions
FI990053A0 (en) Payment control procedures and systems
FI982490A0 (en) Procedures and systems for communication
BR9704486A (en) Measuring system
DE60039455D1 (en) DISTANCE DETECTION SYSTEM
DE69819672D1 (en) Acoustic location measurement system
DE59907916D1 (en) measuring system
NO20024613D0 (en) Pollution detection and measurement systems
FI981946A0 (en) Procedures and systems for communicating alarms
DE59802367D1 (en) DEVICE FOR HANDLING SHEET-LIKE CONVEYORS
FI101905B1 (en) Procedure and sensor for dew point measurement
FI962652A (en) Procedure for error checking and systems thereto
FI990254A0 (en) Messaging procedure and systems
FI982061A (en) Response service procedures and systems
FI982487A0 (en) Procedure and system for checking a V5 connection
FI981626A0 (en) Procedure and system for performing an alarm function
FI19992139A (en) Procedures and systems for ordering taxis
FI991462A (en) Procedures and systems for communicating calls
SE9904146D0 (en) Sample handling system and procedure
FI991330A0 (en) Procedure and arrangement for measuring gas content
DK199800852A (en) Position Measurement System

Legal Events

Date Code Title Description
MM Patent lapsed